package me.shibor.study.servlet;

import java.io.IOException;

import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 * Servlet implementation class MyListenerTest
 */
@WebServlet("/MyListenerTest")
public class MyListenerTest extends HttpServlet {
	private static final long serialVersionUID = 1L;

    public MyListenerTest() {
        super();
        // TODO Auto-generated constructor stub
    }


	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		doPost(request, response);
	}


	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		ServletContext context = request.getServletContext();
		//attributeAdded
		context.setAttribute("context_name", "context_value");
		//attributeReplaced
		context.setAttribute("context_name", "context_value111");
		//attributeRemoved
		context.removeAttribute("context_name");
		
		HttpSession session = request.getSession();
		session.setAttribute("session_name", "session_value");
		session.removeAttribute("session_name");
		session.invalidate();
		
		
		
		
	}

}
